Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2LH31-90.8 R1000-0 0 found under Filter Subassembly by Microwave Filter Company Inc. The National Stock Number assigned to this part is 5915014246408, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2LH31-90.8 R1000-0 0.